chore: Add guides and comparison pages to landing site

.env.self-host.example

@@ -18,6 +18,20 @@ DASHBOARD_DOMAIN=app.example.com
 LANDING_DOMAIN=www.example.com
 WIKI_DOMAIN=docs.example.com
 
+# For local development: URIs for running services locally
+# These are used by the applications at runtime
+API_URI=http://localhost:8080
+DASHBOARD_URI=http://localhost:3000
+LANDING_URI=http://localhost:4000
+WIKI_URI=http://localhost:1000
+
+# NEXT_PUBLIC_* variables are used for client-side code and sitemap generation
+# Use placeholder URLs that will be replaced at Docker container runtime
+NEXT_PUBLIC_API_URI=https://api.useplunk.com
+NEXT_PUBLIC_DASHBOARD_URI=https://app.useplunk.com
+NEXT_PUBLIC_LANDING_URI=https://www.useplunk.com
+NEXT_PUBLIC_WIKI_URI=https://docs.useplunk.com
+
 # Set to 'true' if using HTTPS in production (behind a reverse proxy/load balancer)
 # This affects how application URIs are auto-generated from domain names
 USE_HTTPS=false